What is a dental filling? A dental filling is a restorative procedure to correct and repair tooth decay, minor fractures and similar damage to the surfaces of your teeth. These fillings can be comprised of porcelain/composite or silver amalgam and can also be used to adjust the surfaces of your teeth for better chewing and biting. Each material option used in the filling procedure comes with its pros and cons. name at clinic offers a variety of restorative materials to choose from so you can smile with confidence.